This filter automatically cleans itself, all with the simple twist of a knob! When in the 'run' position the water undergoes a 4-stage purification process. Simply turn the knob to "Clean" and the foams are then squeezed by up to 1,000lb of water pressure,...

All it takes is a simplet twist of a knob for this pressurised filter to clean itself automatically. This feature is activated by switching to the 'Clean' setting as this begis a process that squeezes the foams together which then forces out any pond...